APPARATUS AND METHOD FOR TESTING SIGNAL CHANNELS OF DVR
First Claim
1. A digital video recorder (DVR), being connected with a controller and an image distributor, the DVR comprising:
- at least one processor;
a storage device for storing image data; and
a channel test unit stored in the storage device and being executable by the at least one processor, the channel test unit comprising;
a command generation module operable to generate a selection command, and send the selection command to the controller for controlling the image distributor to select a signal channel to be tested from the signal channels;
a signal generation module operable to obtain the image data from the storage device, convert the image data to a video signal, and send the video signal to the selected signal channel through the image distributor; and
a display module operable to display an ID number of the selected signal channel on a display device when the DVR does not receive the video signal from the selected signal channel.
1 Assignment
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Accused Products
Abstract
An apparatus and method can test multiple signal channels of a digital video recorder (DVR). Image data are obtained from a storage device and converted the image data to a video signal. The DVR sends the video signal to an image distributor, and generates a selection command to a controller for controlling the image distributor to select a signal channel to be tested. After the video signal is received from the DVR, the image distributor sends the video signal to the selected signal channel. An ID number of the selected signal channel is displayed on a display device when the DVR does not receive the video signal from the selected video channel.
9 Citations
15 Claims
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1. A digital video recorder (DVR), being connected with a controller and an image distributor, the DVR comprising:
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at least one processor; a storage device for storing image data; and a channel test unit stored in the storage device and being executable by the at least one processor, the channel test unit comprising; a command generation module operable to generate a selection command, and send the selection command to the controller for controlling the image distributor to select a signal channel to be tested from the signal channels; a signal generation module operable to obtain the image data from the storage device, convert the image data to a video signal, and send the video signal to the selected signal channel through the image distributor; and a display module operable to display an ID number of the selected signal channel on a display device when the DVR does not receive the video signal from the selected signal channel. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for testing signal channels of a digital video recorder (DVR), the method comprising:
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defining an ID number for each of the signal channels of the DVR in sequence; obtaining image data from a storage device, and converting the image data to a video signal; sending the video signal to an image distributor through a signal output interface of the DVR; generating a selection command, and sending the selection command to a controller through a command output interface of the DVR; controlling the image distributor to select a signal channel to be tested from the signal channels according to the selection command; sending the video signal to the selected signal channel using the image distributor; displaying the ID number of the selected signal channel on a display device when the DVR does not receive the video signal from the selected video channel; and repeating the obtaining step to the displaying step when the DVR receives the video signal from the selected video channel, until all of the signal channels have been tested. - View Dependent Claims (9, 10, 11)
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12. A storage medium having stored thereon instructions that, when executed by a least one processor, to perform a method for testing signal channels of a digital video recorder (DVR), the method comprising:
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defining an ID number for each of the signal channels of the DVR in sequence; obtaining image data from a storage device, and converting the image data to a video signal; sending the video signal to an image distributor through a signal output interface of the DVR; generating a selection command, and sending the selection command to a controller through a command output interface of the DVR; controlling the image distributor to select a signal channel to be tested from the signal channels according to the selection command; sending the video signal to the selected signal channel using the image distributor; displaying the ID number of the selected signal channel on a display device when the DVR does not receive the video signal from the selected video channel; and repeating the obtaining step to the displaying step when the DVR receives the video signal from the selected video channel, until all of the signal channels have been tested. - View Dependent Claims (13, 14, 15)
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Specification